108591871 has 2 divisors, whose sum is σ = 108591872. Its totient is φ = 108591870.

The previous prime is 108591841. The next prime is 108591877. The reversal of 108591871 is 178195801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108591871 - 2¹³ = 108583679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108591877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54295935 + 54295936.

It is an arithmetic number, because the mean of its divisors is an integer number (54295936).

Almost surely, 2^108591871 is an apocalyptic number.

108591871 is a deficient number, since it is larger than the sum of its proper divisors (1).

108591871 is an equidigital number, since it uses as much as digits as its factorization.

108591871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 108591871 is about 10420.7423439983. The cubic root of 108591871 is about 477.0886725759.

The spelling of 108591871 in words is "one hundred eight million, five hundred ninety-one thousand, eight hundred seventy-one".